The act of becoming/ state of being extremely inebriated to the point which you are no longer aware of the reality of your surroundings, and are in your own intoxicated place- "shittytown USA". Also, Shittycity U.S.A.
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.